Adding to my fish

[Lulu88]

So, I have a 65 gallon tank with a 20 gallon sump. My question is, I know I’ll get backlash for this, how many fish can I have. I currently have

Marine Betta
Powder blue tang. I know these 3 fish will get too big
Two spot tang

Pair of ocellaris clowns
Tailspot blenny

I would like to add a bluechin trigger?

I just want to know if they will all get along until they outgrow my tank? They are all fairly small and get along well.

[Dmorty217]

I guess the question is why are you buying fish for a tank that is too small for them to live out their lives in? This is a bad practice to say the least. Don't add a trigger and get rid of the powder blue before it starts killing the other fish, because it isn't a question of if it's a question of when. I'm not sure what you're referring to as a "two spot tang" but I would venture to say if it's not a bristle tooth of some sort it will also quickly outgrow the tank. Fish grow quickly and a 2" fish will turn into a 6"+ fish in less than a year. Please do yourself a favor and invest in some good saltwater husbandry books to prevent this from happening again.

[norfolkgarden]

As an 'official' "too many fish for the tank" tank owner, yea, you have managed to outstrip even my overstocking by a level I wouldn't even consider.

Sorry, not slamming you, just a heads up.

Some fish take longer to reach full size in an overstuffed tank, but that isn't a good thing.

I have read that freshwater fish release chemicals into the water that effectively tell them don't get any bigger because your pond won't support your larger size.
The same poster said that for obvious reasons fish in the ocean don't have that.

I would suggest that you stick with smaller fish that max out at about 5 or 6 inches when they are mature.

One local LFS has accepted returns on South American red tails 2.5' long, a truly beautiful Queen trigger a foot long, etc.
They live in misery in a 5 foot plastic pond liner and the biggest tanks the shop has....

Human Prison cells and the official dimensions are always my goto when it comes to these kinds of fish.
If a human prisoner gets more room that your 'pet', you aren't taking very good care of your pet...

Sticking with overstocking smaller fish from different genus and denying them 'personal space' is at least less horrible...

It's part of the reason we have 200 pounds of 'holey' live rock in a 75 gallon tank.
Besides the obvious bio filtration,it provides lots of divider walls and hiding places/homes to pick from for the fish.

Best of luck with getting a bigger tank in your house.

I was told our 75 gallon was sufficient.


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[nereefpat]

I would not add a bluethroat trigger.

I would remove the powder blue tang.

The marine betta is fine.

The other tang (Ctenochaetus binotatus, Dmorty) isn't ideal, but since you have it, depending on the tank dimensions could be possibly kept for a long time.

Look into dwarf angels, Halichoerus wrasses.